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Cheap flights from Toronto to Louisville from C$ 268

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto to Louisville

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Louisville
Explore the most affordable flight options available from Toronto to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 May 2026.

Tue 26/56:30 a.m.
YYZ
-
SDF
1 stop29h 04m
Multiple Airlines
Fri 19/69:05 p.m.
SDF
-
YYZ
1 stop17h 00m
Multiple Airlines
Deal found 4/5C$ 505
Tue 26/56:30 a.m.
YYZ
-
SDF
1 stop29h 04m
Multiple Airlines
Mon 15/69:05 p.m.
SDF
-
YYZ
1 stop17h 00m
Multiple Airlines
Deal found 4/5C$ 517
Tue 26/56:30 a.m.
YYZ
-
SDF
1 stop29h 04m
Multiple Airlines
Wed 17/612:20 p.m.
SDF
-
YYZ
1 stop25h 45m
Multiple Airlines
Deal found 4/5C$ 527
Tue 16/612:39 p.m.
YYZ
-
SDF
1 stop5h 06m
American Airlines
Tue 23/66:51 a.m.
SDF
-
YYZ
1 stop5h 44m
American Airlines
Deal found 2/5C$ 606
Sun 31/53:45 p.m.
YYZ
-
SDF
1 stop8h 43m
American Airlines
Sun 7/68:15 a.m.
SDF
-
YYZ
1 stop14h 15m
American Airlines
Deal found 1/5C$ 611
Sat 23/511:52 a.m.
YYZ
-
SDF
1 stop5h 20m
American Airlines
Tue 26/56:25 p.m.
SDF
-
YYZ
1 stop5h 33m
American Airlines
Deal found 3/5C$ 613
Wed 17/611:00 a.m.
YYZ
-
SDF
1 stop6h 03m
United Airlines
Sun 21/66:00 a.m.
SDF
-
YYZ
1 stop4h 04m
United Airlines
Deal found 3/5C$ 632
Tue 30/67:00 a.m.
YYZ
-
SDF
1 stop6h 35m
United Airlines
Tue 7/75:50 p.m.
SDF
-
YYZ
1 stop6h 09m
United Airlines
Deal found 1/5C$ 644

Find flight deals from Toronto to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 May 2026.

Round-trip from

C$ 505

One-way from

C$ 268

Popular in

October

Cheapest in

April

Average price

C$ 573
26/5-19/6
  • 26/5-19/6
  • 2 total stops
  • 46h 04m total
  • Toronto to Louisville
Search Deals
27/5
  • 27/5
  • 1 total stop
  • 23h 58m total
  • Toronto to Louisville
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 May 2026.
Use the filters below to find and compare flights from Toronto to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 17/6

10:15 a.m.-5:03 p.m.

1 stop6h 48m

Louisville Intl

Sun 21/6

6:00 a.m.-10:04 a.m.

1 stop4h 04m

C$ 632

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 30/6

7:00 a.m.-1:35 p.m.

1 stop6h 35m

Louisville Intl

Tue 7/7

5:50 p.m.-11:59 p.m.

1 stop6h 09m

C$ 644

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 17/6

6:00 a.m.-5:18 p.m.

1 stop11h 18m

Louisville Intl

Sun 21/6

6:00 a.m.-4:15 p.m.

1 stop10h 15m

C$ 675

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 22/5

9:49 a.m.-1:51 p.m.

1 stop4h 02m

Louisville Intl

Tue 16/6

10:00 a.m.-5:19 p.m.

1 stop7h 19m

C$ 677

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 22/5

11:00 a.m.-4:49 p.m.

1 stop5h 49m

Louisville Intl

Mon 15/6

7:47 p.m.-11:59 p.m.

1 stop4h 12m

C$ 677

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Mon 25/5

6:30 p.m.-12:25 a.m.

1 stop5h 55m

Louisville Intl

Thu 18/6

4:40 p.m.-11:58 p.m.

1 stop7h 18m

C$ 677

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sun 24/5

11:00 a.m.-4:49 p.m.

1 stop5h 49m

Louisville Intl

Tue 16/6

9:00 a.m.-1:42 p.m.

1 stop4h 42m

C$ 677

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 21/5

6:10 a.m.-9:59 a.m.

1 stop3h 49m

Louisville Intl

Thu 18/6

4:40 p.m.-11:58 p.m.

1 stop7h 18m

C$ 677

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 4/6

11:00 a.m.-5:03 p.m.

1 stop6h 03m

Louisville Intl

Sun 7/6

7:47 p.m.-11:59 p.m.

1 stop4h 12m

C$ 677
Quickest round-trip

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 27/5

2:45 p.m.-8:23 p.m.

1 stop5h 38m

Louisville Intl

Fri 29/5

7:52 p.m.-11:59 p.m.

1 stop4h 07m

C$ 677

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Toronto to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Toronto to Louisville

What is the cheapest month to book a flight from Toronto to Louisville?

Currently, May is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 182). Flying from Toronto to Louisville in February is currently the most expensive (average of C$ 754). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Toronto to Louisville?

What’s the top layover airport for flights from Toronto to Louisville?

Share of one-stop round-trip flights from Toronto to Louisville chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 54% of one-stop itineraries from Toronto to Louisville on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to Louisville?

Average round-trip fare for 1-stop flights from Toronto to Louisville, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of C$ 610.

What’s the fastest layover option from Toronto to Louisville?

Shortest average travel time for 1-stop one-way flights from Toronto to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 3h 27m.

Which airport typically offers the quickest layover for flights from Toronto to Louisville?

Average layover duration for 1-stop one-way flights from Toronto to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Detroit (DTW) offer the fastest connection on this route, with an average layover time of 0h 49m.

Related info for your journey

Find useful and relevant information for your journey from Toronto to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Toronto?

    Louisville Intl (SDF) is the airport you will fly into if you book a flight from Toronto to Louisville. You should not have trouble finding flights to Louisville Intl from Toronto; the airport handles an average of 0 inbound flights from Toronto per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Louisville airport from Toronto. It is only a 8.5 km journey from Louisville Intl (SDF) to Louisville’s city centre.

  • How long is the flight from Toronto to Louisville?

    Departing from Toronto to Louisville will take you 6h 48m. Toronto and Louisville are separated by a distance of 798 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Toronto to Louisville round-trip?

    Flying on United Airlines is currently your cheapest option to Louisville, with prices starting at C$ 486. Additional round-trip tickets that might be worth considering are offered by American Airlines and WestJet, with the lowest prices starting at C$ 531 and C$ 635, respectively. United Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Toronto to Louisville that include hotel bookings?

    Yes. In addition to deals on Toronto to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Louisville.

  • Can I find deals for business class flights from Toronto to Louisville?

    Yes. Cheapflights offers flight deals from Toronto to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Toronto to Louisville?

    Currently, May is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 182). Flying from Toronto to Louisville in February is currently the most expensive (average of C$ 754). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Toronto to Louisville

Discover the top 3 airlines that operate flights from Toronto to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 486AverageC$ 662FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 531AverageC$ 809FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 635AverageC$ 822FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto to Louisville?

Deals for Toronto to Louisville flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Louisville?

Cheapflights helps you find that perfect flight to Louisville from Toronto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Toronto to Louisville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto to Louisville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Toronto to Louisville become cheaper?

Not ready to book yet? You can track prices for flights from Toronto to Louisville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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